GB1480469A - Process for the preparation of dinitro naphthalenes - Google Patents

Process for the preparation of dinitro naphthalenes

Info

Publication number
GB1480469A
GB1480469A GB5393/76A GB539376A GB1480469A GB 1480469 A GB1480469 A GB 1480469A GB 5393/76 A GB5393/76 A GB 5393/76A GB 539376 A GB539376 A GB 539376A GB 1480469 A GB1480469 A GB 1480469A
Authority
GB
United Kingdom
Prior art keywords
preparation
nitric acid
naphthalenes
dinitro
dinitronaphthalene
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB5393/76A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of GB1480469A publication Critical patent/GB1480469A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1480469 Preparation of dinitronaphthalenes BAYER AG 11 Feb 1976 [12 Feb 1975] 05393/76 Heading C2C A process for the preparation of a dinitronaphthalene comprises reacting a nitronaphthalene at a temperature of from 20 to 50‹ C. with 60 to 80% strength by weight aqueous nitric acid and separating the dinitronaphthalene from the reaction mixture. The residual nitric acid may then be enriched with more highly concentrated nitric acid until a concentration of 60 to 80% by weight is reached and then used in a further nitrating reaction. In general 4 to 12 mols of nitric acid are reacted with 1 mol of nitronaphthalene.
GB5393/76A 1975-02-12 1976-02-11 Process for the preparation of dinitro naphthalenes Expired GB1480469A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752505715 DE2505715C2 (en) 1975-02-12 1975-02-12 PROCESS FOR THE PREPARATION OF MIXTURES OF ISOMERS THAT CONSIST PRIORLY OF 1,5- AND 1,8-DINITRONAPHTHALIN

Publications (1)

Publication Number Publication Date
GB1480469A true GB1480469A (en) 1977-07-20

Family

ID=5938613

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5393/76A Expired GB1480469A (en) 1975-02-12 1976-02-11 Process for the preparation of dinitro naphthalenes

Country Status (12)

Country Link
US (1) US3998893A (en)
JP (1) JPS51105044A (en)
BE (1) BE838417A (en)
CH (1) CH598187A5 (en)
DE (1) DE2505715C2 (en)
DK (1) DK55476A (en)
FR (1) FR2300756A1 (en)
GB (1) GB1480469A (en)
IE (1) IE42476B1 (en)
LU (1) LU74325A1 (en)
NL (1) NL7601289A (en)
SE (1) SE7601506L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2622313C3 (en) * 1976-05-19 1980-09-25 Bayer Ag, 5090 Leverkusen Process for the continuous production of mononitro aromatics
EP1529772B1 (en) 2003-11-05 2011-08-17 Bayer MaterialScience AG Process for the production of 1,5-dinitronaphthalene

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3065277A (en) * 1960-01-11 1962-11-20 Fundamental Res Company Preparation of heteronuclear nitronaphthalenes and derivatives
DE1150965B (en) * 1961-09-22 1963-07-04 Basf Ag Process for the continuous production of 1,5 and 1,8-dinitronaphthalene
GB973618A (en) * 1963-03-26 1964-10-28 Deputy Minister Of The Roumani Process for producing 1-nitronapththalene
FR2208398A5 (en) * 1972-11-30 1974-06-21 Poudres & Explosifs Ste Nale Single stage dinitronaphthalene prepn - by nitration of naphthalene with dil. nitric acid

Also Published As

Publication number Publication date
DE2505715B1 (en) 1976-05-20
FR2300756A1 (en) 1976-09-10
DE2505715C2 (en) 1976-12-20
NL7601289A (en) 1976-08-16
JPS51105044A (en) 1976-09-17
SE7601506L (en) 1976-08-13
US3998893A (en) 1976-12-21
IE42476L (en) 1976-08-12
LU74325A1 (en) 1976-12-31
DK55476A (en) 1976-08-13
IE42476B1 (en) 1980-08-13
CH598187A5 (en) 1978-04-28
BE838417A (en) 1976-08-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee